Filling in Form No. 3 (Section 8 notice)

[elucidate]

It reads as follows:
"The Landlord may bring the Tenancy to an end at any time (but not a day earlier than six months from the commencement date of the date of this Agreement) by giving to the Tenant not less than two months written notice stating that the Landlord requires possession of...

[elucidate]

So here's my situation:

I posted a Section 8 notice on Monday using using Evri Postable Next Day. I was hoping it will be delivered today (Wednesday 22nd June) at the latest. Alas, it looks like it will be arriving tomorrow.

In the notice, after citing Ground 1, I put down...

[elucidate]

Hi everybody,

I've download Form No. 3 from the government's website, but I'm not sure how to fill in the part where it says "The court proceedings will not begin earlier than: (insert a calendar date in accordance with the notice period required for the ground(s) being relied on as...